package wemedia.service.impl;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

import model.common.dtos.ResponseResult;
import model.common.enums.AppHttpCodeEnum;
import model.wemedia.dtos.WmLoginDto;
import model.wemedia.pojos.WmUser;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;
import utils.common.AppJwtUtil;
import wemedia.mapper.WmUserMapper;
import wemedia.service.WmUserService;

import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;

@Service
public class WmUserServiceImpl extends ServiceImpl<WmUserMapper, WmUser> implements WmUserService {

    @Override
    public ResponseResult login(WmLoginDto dto) {
        //1.检查参数
        if(StringUtils.isBlank(dto.getName()) || StringUtils.isBlank(dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码为空");
        }

        //2.查询用户
        WmUser wmUser = getOne(Wrappers.<WmUser>lambdaQuery().eq(WmUser::getName, dto.getName()));
        if(wmUser == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }

        //3.比对密码
        String salt = wmUser.getSalt();
        String pswd = dto.getPassword();
        pswd = DigestUtils.md5DigestAsHex((pswd + salt).getBytes());
        if(pswd.equals(wmUser.getPassword())){
            //4.返回数据  jwt
            Map<String,Object> map  = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(wmUser.getId().longValue()));
            wmUser.setSalt("");
            wmUser.setPassword("");
            map.put("user",wmUser);
            return ResponseResult.okResult(map);

        }else {
            return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
    }

    @Override
    public boolean saveBatch(Collection<WmUser> entityList, int batchSize) {
        return false;
    }

    @Override
    public boolean saveOrUpdateBatch(Collection<WmUser> entityList, int batchSize) {
        return false;
    }

    @Override
    public boolean updateBatchById(Collection<WmUser> entityList, int batchSize) {
        return false;
    }

    @Override
    public boolean saveOrUpdate(WmUser entity) {
        return false;
    }

    @Override
    public WmUser getOne(Wrapper<WmUser> queryWrapper, boolean throwEx) {
        return null;
    }

    @Override
    public Map<String, Object> getMap(Wrapper<WmUser> queryWrapper) {
        return Collections.emptyMap();
    }

    @Override
    public <V> V getObj(Wrapper<WmUser> queryWrapper, Function<? super Object, V> mapper) {
        return null;
    }
}